package control;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import dao.TeacherDao;
import entity.Teacher;

/**
 * Servlet implementation class GetTeacher
 */
@WebServlet("/GetTeacher")
public class GetTeacher extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public GetTeacher() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		TeacherDao cd = new TeacherDao();
		int teacher_id = Integer.valueOf(request.getParameter("mname"));
		List<Teacher> list = cd.getTeacher(teacher_id);
		String tc = "[";
		for (Teacher t : list) {
			tc += "{\"id\":" + t.getId() + ",\"name\":\"" + t.getName() + "\"},";
		}
		tc = tc.substring(0, tc.length() - 1);
		tc += "]";
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		out.println(tc);
//		System.out.println("teacher" + tc);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
